Hong Kong-based Sing Pao Daily News has reported that members of its staff have been threatened and that its computer systems were attacked. Hong Kong police are investigating the incidents. Sing Pao is a pro-Beijing newspaper that over the past year has published a series of anonymous columns that are very critical of Chief Executive C.Y. Leung and the Liaison Office of the Central People’s Government, Beijing’s main representative office in Hong Kong. Elson Tong